package cn.smbms.tools;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import cn.smbms.tools.Constants;

import cn.smbms.pojo.User;

/**
 * 拦截器
 * @author 
 *
 */
public class SysInterceptor extends HandlerInterceptorAdapter {
	private  Logger logger=Logger.getLogger(SysInterceptor.class);
	public boolean preHandle(HttpServletRequest request,HttpServletResponse response,Object handle){
		logger.debug("SysInterceptor preHandle!");
		HttpSession session=request.getSession();
		User user=(User)session.getAttribute(Constants.USER_SESSION);
		if(null==user){
			try {
				response.sendRedirect(request.getContextPath()+"/401.jsp");
			} catch (IOException e) {
				e.printStackTrace();
			}
			return false;
		}
		return true;
	}
}